Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神切除术（壶腹神）半规管闭塞术是应用于难治性良性阵发性位置性眩晕的两特殊的手术治疗技术。